3-in-1 Performance: This air compressor filter regulator lubricator integrates filtration, pressure regulation, and lubrication in one unit. It provides clean and dry air, stable pressure output and convenient oil lubrication, keeping the air tools run smoothly and efficiently

High Configuration: Equipped with a 5µm brass filter to efficiently remove moisture, impurities and particles; pressure regulation knob for easy adjustment; oiling port and visible oil window provide convenient lubrication (Max Working Pressure: 145 PSI)

Semi-Auto Drainage: When the air compressor stops working, this compressed air drying filtering system will automatically discharge accumulated water in time, reducing failures caused by forgotten manual draining and ensuring stable, efficient operation

Standard Port Size: Featuring a 3/8" NPT connector compatible with most air compressors. Please ensure the airflow direction aligns with the arrow indicated on the product, and clean the ports and fittings before installation to prevent dust ingress